---Excuse me, sir. Could you please tell me _______?--- Sorry, I don’t know. You can go to the information desk.
This song reminds me ______an experience I once had in the countryside.
It used to be very quiet and ______ ever happened around here.
He hurried back home _________ his schoolbag.
When he saw a wallet on the ground, he ________at once.
The train was late, ______ we had to wait for half an hour.